Crankshaft – YX 140

This genuine YX 140 Gen 3 crankshaft kit is designed for YX140 and Zongshen Z140 engines, providing a durable and precise replacement to maintain optimal engine performance.

Specifications:

✅ Compatible Engine Code: 1P56FMJ
✅ Stroke: 57mm
✅ Conrod Total Length: 129mm
✅ Gudgeon Pin Hole: 13mm
✅ Crankcase Bearing Outer Diameter: 52mm / 52mm
✅ Crank Outer Diameter: 97mm
✅ Crankshaft Total Length: 232mm
✅ Flywheel Shaft Diameter: 19mm / 16mm
✅ Clutch Shaft Teeth: 22T (large diameter) / 20T (small diameter)
✅ Timing Gear Teeth: 16
✅ Flywheel Nut: M10
✅ Clutch Nut: M14

Fitment:

• YX140 Gen 3
• Zongshen Z140

⚠ Note: This crankshaft will not fit YX140 Gen 4 engines with an external oil filter in the clutch cover housing.